Now mobile phones have become a very popular communication tool. I'm sure that in the process of using mobile phones, you must have encountered quite a few SMS scammers. SMS like "Please transfer the money to ******************, * Bank, account name ***" must have been received frequently. To be honest, the scam techniques used in these SMS are really too low-level and can't deceive anyone. However, receiving such SMS frequently can be very annoying, yet there seems to be no way to stop it. But now there is a way. With just one simple trick and without any cost, you can make these people suffer greatly.